, a chunk of space rock big enough to level a city is hurtling towards our planet eight times faster than a speeding bullet. the good news is scientists say it will miss. the scary news is, the 130,000 metric ton astroid called da-14 is the size of half a football field, and it will be much closer than the moon. in fact, it will thread the needle between earth and the roughly 600 satellites around us. the ones that your cell phone relies on, possibly even smashing one on its way by. but if that's why you're think thing is a long way from all of us way down here walking the streets, you may want to think again. the last close call turned out to be a direct hit. it was 1908, and luckily it hit the middle of nowhere, siberia, decimating 1,000 miles of trees but no people. >> if a very large astroid hit, it would probably create the same kind of disaster that wiped out the dinosaurs. >> reporter: no one knew it was headed our way until a spanish dentist and amateur astronomer randomly discovered it a year ago. nasa doesn't have the resources to look for astroids, which is why a trio of americ
